/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.nifi.remote.protocol;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;

public enum RequestType {

    NEGOTIATE_FLOWFILE_CODEC,
    REQUEST_PEER_LIST,
    SEND_FLOWFILES,
    RECEIVE_FLOWFILES,
    SHUTDOWN;

    public void writeRequestType(final DataOutputStream dos) throws IOException {
        dos.writeUTF(name());
    }

    public static RequestType readRequestType(final DataInputStream dis) throws IOException {
        final String requestTypeVal = dis.readUTF();
        try {
            return RequestType.valueOf(requestTypeVal);
        } catch (final Exception e) {
            throw new IOException("Could not determine RequestType: received invalid value " + requestTypeVal);
        }
    }
}
